Posted by **DANIELLE** on Wednesday, April 11, 2007 at 11:00pm.

Am I correct with this

using (a-b)^2

(sqrt3)^2-2(sqrt3)(5) +(sqrt5)^2

=3-2sqrt15+5

=8-2sqrt15

If you were doing (sqr(3) + sqr(5))^2

yes, you are right.

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